Good deal!

good deal

1. A very favorable agreement, cost, or situation. We never thought we'd be able to afford a neighborhood like this, but we got a good deal on this house.
2. An acknowledgment that a situation or proposal is acceptable, pleasing, or fortuitous. A: "I'll plan on coming around this Friday evening." B: "Good deal, buddy."
See also: deal, good
Farlex Dictionary of Idioms.

Good deal!

exclam. That is good! (Old, but still heard.) Everyone is here on time! Good deal!
See also: good
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • good seed makes a good crop
  • all in good time
  • be (something) to the good
  • be to the good
  • be well off
  • save
  • save (one's) face
  • save face
  • save someone's face
  • a place in the sun